About This Window Treatment Levolor produces premium vertical blinds at a budget-friendly price. You can choose exactly how your vertical blind is made to get the features and configuration that fits your window and preferences, including control type, position and stacking side. Vinyl vertical blinds are a traditional favorite, with 3 1/2" curved vanes. Note: Height measurement will include both the track & vanes. As the window covering industry advances child safety standards, Cord and Chain Control type option will no longer be available after 4/16/2024